I guess it's worth mentioning one common "solution": extortion/taxation. Threaten to punish people who don't pay what you think they owe. Usually combined with opacity and not telling anyone exactly how their payments are spent.
This is not really a solution though, because it's not incentive compatible. There's nothing to ensure that the extortionist will spend the money on providing the desired goods, and attempts at creating such incentives must ultimately fail for the same underlying reasons as the original problem. (This is of course assuming no excludability - if a club owner can ban some members from her club and invite others to join for a fee, she is incented to manage the club to the members' benefit, for standard Coasian reasons!)
If it's worth saying, but not worth its own post, then it goes here.
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